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SU‐E‐T‐768: Tissue Phantom Ratios: Direct Measurement vs. Derived from Percentage Depth Dose for Small Fields

R Krauss, M Morales, C Coffey… - Medical Physics, 2011 - link.aip.org
Purpose: To examine the accuracy of different methods of converting percentage depth dose
(PDD) curves to tissue phantom ratios (TPR) for small cones by comparing them with directly
measured TPR values.Methods: For a 6 MV beam, a detector remained fixed in water at ...

SU‐E‐T‐338: Percent Depth Dose Comparison Between Measurements from Three Varian Linear Accelerators and Varian AAA Golden Beam Data

G Wu, G Courlas, D Lewis… - Medical Physics, 2011 - link.aip.org
Purpose: To validate the use of Varian Golden Beam Data Percentage Depth Dose (PDD)
information for the Eclipse AAA algorithm for newly installed Varian Linear Accelerators Methods:
Comparison was made between measured data and Varian Golden Beam Data which is ...

SU‐E‐T‐403: Investigation of Electron Dose Calculation Using the Lateral Buildup Ratio Method

W Gebreamlak, D Tedeschi… - Medical Physics, 2011 - link.aip.org
Purpose: To calculate the percentage depth dose of any irregular shape electron block using
the lateral build‐up‐ratio method.Methods: Percentage depth dose (PDD) curves were measured
using 6, 9, 12, and 15 MeV electron beam energies for applicator cone sizes of 6×6 ...

SU‐E‐T‐224: An Assessment of EBT2 Gafchromic Film as a Potential Means for Depth Dose Measurement of Radiotherapy Beams

B Arjomandy, R Tailor, L Zhao… - Medical Physics, 2011 - link.aip.org
... For each beam, film response measured over the dose range 0.6–6.2 Gy, was employed for
OD‐to—dose conversion. Results: for all mega‐voltage photon & electron beams, percentage
depth‐doses measured with EBT2 showed an excellent agreement (<1.5%) with those ...

Technical Note: An algorithm to calculate the tissue phantom ratio from depth dose in radiosurgery

LIR Garcia… - Medical Physics, 2011 - link.aip.org
... Phys. 36(11), 5261–5291 (2009). LJ van Battum, M. Essers, and PR Storchi,
“Conversion of measured percentage depth dose to tissue maximum ratio in
stereotactic radiotherapy,” Phys. Med. Biol. 47, 3289–3300 (2002). EB ...
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